1,2-Propanediol, 3,3'-((dibutylstannylene)bis(thio))bis- 252249-04-0 3,3'-((Dibutylstannylene)bis(thio))bis(propane-1,2-diol) 68298-38-4 Dibutyltinbis(2,3-dihydroxypropylmercaptide) EINECS 269-561-9